The very last night time before their arrival seems giving them a hard time. The current is strong and pushing them back to south and many many tankers are going like high way near the Coast of Japan. They are really trying hard now!
Dream Weaver Current Location as of April 20th, 0.40 am, JST,
36.5797 N 141.1547 E, Course: 290, 2.9 kts.